Home / 18,280.60-27,413.70-6,587.80

Finding the Fourth Proportional to 18,280.60, 27,413.70 and 6,587.80

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Solution

The fourth proportional to 18,280.60, 27,413.70 and 6,587.80 is: 9,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.60 : 27,413.70 = 6,587.80 : x
  2. Step 2: Convert to fraction form
    18,280.60/27,413.70 = 6,587.80/x
  3. Step 3: Cross multiply
    18,280.60x = 27,413.70 × 6,587.80
  4. Step 4: Simplify right side
    18,280.60x = 180,595,972.86
  5. Step 5: Solve for x
    x = 180,595,972.86/18,280.60
  6. Step 6: Final answer
    x = 9,879.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.